Pith Number

pith:WYDOJDHP

pith:2018:WYDOJDHPJIDBH3JKQFW5WINP4G

not attested not anchored not stored refs pending

Analog Black Holes and Energy Extraction by Super-Radiance from Bose Einstein Condensates (BEC) with Constant Density

Bet\"ul Demirkaya, Kaan G\"uven, Tekin Dereli

arxiv:1806.02139 v2 · 2018-06-06 · cond-mat.other · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYDOJDHPJIDBH3JKQFW5WINP4G}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:59:01.731552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b606e48cef4a0613ed2a816ddb21afe1ac51988e9288a0c3c6b023869572c66d

Aliases

arxiv: 1806.02139 · arxiv_version: 1806.02139v2 · doi: 10.48550/arxiv.1806.02139 · pith_short_12: WYDOJDHPJIDB · pith_short_16: WYDOJDHPJIDBH3JK · pith_short_8: WYDOJDHP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WYDOJDHPJIDBH3JKQFW5WINP4G \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b606e48cef4a0613ed2a816ddb21afe1ac51988e9288a0c3c6b023869572c66d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930e1fc5ff2487c50af94c467a3068d2b1d39683860b6d6cafab4b2d3665a913",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2018-06-06T12:08:36Z",
    "title_canon_sha256": "548d8979d24ef3fea686411d223fa9ddf59524b0486981ffff8b8e81fe2c9efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02139",
    "kind": "arxiv",
    "version": 2
  }
}